Hyperdontia is a developmental abnormality that results in the development of supernumerary teeth. It has unilateral presentation as most commonly affects the maxillary permanent incisors, fourth molars, premolars, canines and laterals.

What causes hyperdontia?

Hyperdontia is multifactorial and arises from both genetic and environmental factors.

What are the main clinical features of hyperdontia?

Patients can have mesiodens (an extra tooth in the maxillary incisor region), distomolar/distodens (fourth molar), paramolor (posterior supernumerary tooth adjacent to erupted tooth) and/or dental transposition (teeth erupt in the wrong position)

What is Riga Frede disease?

Riga Frede disease occurs when early eruption of an extra tooth causes trauma to a baby while nursing and is most often seen on the tongue.

What is the difference between natal and para-natal teeth?

Natal teeth can be seen at birth, while para-natal teeth erupt within the first 30 days after birth.

What are some syndromes associated with hyperdontia?

Associated syndromes include: Angio-osteohypertrophy, cleidocranial dysplasia, curtius, Fabry-Anderson, Gardner, Hallerman-Streiff, Oral-facial-digital (type I), and Sturge-Weber syndrome.

What are some treatments for hyperdontia?

Hyperdontia does not require treatment in most cases, but extractions can be performed to remove the extra teeth.

True or False: The majority of supernumerary teeth will fail to erupt.

True - approximately 75% of supernumerary teeth developed as a result of hyperdontia will fail to erupt.

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Hyperdontia

OMFP Hyperdontia Flashcards

Question	Answer
What is hyperdontia?	Hyperdontia is a developmental abnormality that results in the development of supernumerary teeth. It has unilateral presentation as most commonly affects the maxillary permanent incisors, fourth molars, premolars, canines and laterals.
What causes hyperdontia?	Hyperdontia is multifactorial and arises from both genetic and environmental factors.
What are the main clinical features of hyperdontia?	Patients can have mesiodens (an extra tooth in the maxillary incisor region), distomolar/distodens (fourth molar), paramolor (posterior supernumerary tooth adjacent to erupted tooth) and/or dental transposition (teeth erupt in the wrong position)
What is Riga Frede disease?	Riga Frede disease occurs when early eruption of an extra tooth causes trauma to a baby while nursing and is most often seen on the tongue.
What is the difference between natal and para-natal teeth?	Natal teeth can be seen at birth, while para-natal teeth erupt within the first 30 days after birth.
What are some syndromes associated with hyperdontia?	Associated syndromes include: Angio-osteohypertrophy, cleidocranial dysplasia, curtius, Fabry-Anderson, Gardner, Hallerman-Streiff, Oral-facial-digital (type I), and Sturge-Weber syndrome.
What are some treatments for hyperdontia?	Hyperdontia does not require treatment in most cases, but extractions can be performed to remove the extra teeth.
True or False: The majority of supernumerary teeth will fail to erupt.	True - approximately 75% of supernumerary teeth developed as a result of hyperdontia will fail to erupt.

Created by: brittany.self

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